S C Ashcroft ...[et al.]. (1991). New programmed instruction in Braille. Nashville, Tennessee: SCARLAS.
Trích dẫn kiểu ChicagoS C Ashcroft ...[et al.]. New Programmed Instruction in Braille. Nashville, Tennessee: SCARLAS, 1991.
MLA citiranjeS C Ashcroft ...[et al.]. New Programmed Instruction in Braille. Nashville, Tennessee: SCARLAS, 1991.
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